Clear Outside v1.0 - International Weather Forecasts For Astronomers

Wednesday 14

Waning Crescent 18%

05:02

11:51

02 Good
03 Good
04 OK
05 OK
06 OK
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 08:05, Set: 16:12, Transit: 12:09. Moon - Rise: 05:02, Set: 11:51. Civil Dark: 16:52 - 07:25. Nautical Dark: 17:36 - 06:42. Astro Dark: 18:17 - 06:00

Total Clouds (% Sky Obscured)

5
7
10
25
28
88
96
85
83
100
100
100
100
100
100
100
100
100
100
100
100
99
97
52

Low Clouds (% Sky Obscured)

5
7
10
25
28
32
32
23
0
0
0
0
0
0
24
59
98
100
100
100
57
81
54
32

Medium Clouds (% Sky Obscured)

0
0
0
0
0
4
5
3
3
31
52
48
43
85
95
60
43
43
100
99
100
98
95
8

High Clouds (% Sky Obscured)

0
0
0
0
0
40
55
84
83
100
100
100
100
100
100
96
100
100
100
46
100
65
60
3

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
1
0
0
0
0
0
0
0
0
0
0
0
1
9
36
49
43
37
16
17
3

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

8
7
7
6
6
6
6
6
6
6
7
7
8
8
7
8
8
8
8
7
6
7
9
10

Chance of Frost

Temperature (°C)

1
1
1
1
1
0
0
1
2
3
4
4
4
4
3
3
2
3
4
4
4
4
5
4

Feels Like (°C)

-1
0
-1
-1
-1
-1
-2
-1
-2
0
0
1
0
-0
-1
-1
-2
-1
0
1
2
1
1
0

Dew Point (°C)

0
-0
-1
-1
-1
-2
-2
-1
-1
-0
0
1
1
1
1
1
0
2
3
3
4
4
4
4

Relative Humidity (%)

93
91
91
89
89
88
88
88
84
79
76
77
82
83
86
86
86
88
93
96
98
98
96
94

Pressure (mb)

1010
1010
1011
1011
1011
1012
1012
1013
1013
1013
1012
1012
1011
1011
1010
1010
1009
1008
1007
1006
1005
1005
1005
1004

Ozone (du)

370
361
358
355
351
344
332
328
328
323
313
311
317
321
324
325
332
338
334
336
332
334
334
337

Thursday 15

Waning Crescent 11%

06:11

12:27

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 08:04, Set: 16:14, Transit: 12:09. Moon - Rise: 06:11, Set: 12:27. Civil Dark: 16:54 - 07:24. Nautical Dark: 17:37 - 06:41. Astro Dark: 18:19 - 06:00

Total Clouds (% Sky Obscured)

70
71
92
100
100
100
100
100
100
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

41
52
59
61
56
61
74
80
77
95
100
95
81
64
77
80
71
67
84
81
83
94
93
96

Medium Clouds (% Sky Obscured)

70
3
50
45
99
99
82
100
100
89
91
100
100
100
100
100
100
100
100
100
100
91
70
65

High Clouds (% Sky Obscured)

0
0
38
50
50
100
100
57
30
30
100
100
100
100
100
92
100
100
100
100
100
100
98
100

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
4
4
3
4
4
5
3
2
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
None
None
None

Precipitation Probability (%)

7
1
0
0
3
19
32
30
16
10
29
28
83
95
95
95
95
95
95
95
95
60
43
44

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0.4
1
1
1.1
0.7
0.6
1.1
1.7
0.8
0
0
0

Wind Speed/Direction (mph)

11
12
12
12
11
10
9
9
9
8
7
9
6
6
6
8
10
10
14
12
8
8
9
10

Chance of Frost

Temperature (°C)

4
5
4
5
5
5
5
5
6
6
7
7
7
7
6
6
7
7
7
7
6
5
5
4

Feels Like (°C)

0
-0
-0
1
1
1
1
1
2
3
4
3
4
4
3
2
2
2
1
2
3
0
1
-1

Dew Point (°C)

3
3
3
4
4
5
4
4
5
5
5
5
6
6
5
5
6
6
6
6
6
4
4
3

Relative Humidity (%)

91
88
91
93
91
96
96
96
93
93
91
91
93
94
94
96
93
93
90
93
96
94
93
93

Pressure (mb)

1004
1004
1003
1003
1003
1003
1003
1003
1003
1003
1002
1001
1000
1000
999
999
998
997
997
996
996
996
996
997

Ozone (du)

344
355
359
363
365
365
370
368
360
356
351
349
347
341
340
347
348
349
351
359
361
361
355
352

Friday 16

Waning Crescent 6%

07:09

13:16

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 OK
00 Bad
01 Bad

Sun - Rise: 08:03, Set: 16:16, Transit: 12:09. Moon - Rise: 07:09, Set: 13:16. Civil Dark: 16:55 - 07:24. Nautical Dark: 17:39 - 06:40. Astro Dark: 18:20 - 05:59

Total Clouds (% Sky Obscured)

100
100
95
59
66
87
85
95
94
95
97
90
56
64
56
50
46
48
45
51
45
42
60
71

Low Clouds (% Sky Obscured)

92
89
90
59
66
66
45
54
85
86
56
49
48
64
51
46
45
48
45
45
45
42
48
55

Medium Clouds (% Sky Obscured)

50
40
32
24
26
87
85
93
91
88
97
90
15
0
0
3
3
2
5
33
6
0
0
6

High Clouds (% Sky Obscured)

79
40
0
0
3
60
60
28
60
65
4
0
0
0
3
6
3
2
2
4
2
1
14
15

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
Light Rain
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

45
42
29
13
5
0
4
30
64
9
2
9
17
6
0
0
0
0
0
0
0
0
0
0

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0.5
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

10
10
9
9
8
8
8
8
8
9
10
10
10
8
8
7
8
8
8
8
8
7
6
7

Chance of Frost

Temperature (°C)

5
5
5
5
4
3
3
3
4
5
6
7
7
7
6
6
5
5
5
4
4
4
4
4

Feels Like (°C)

-0
1
1
1
2
1
-1
-1
-0
0
1
3
4
5
5
4
4
3
2
2
2
2
2
1

Dew Point (°C)

3
3
3
3
3
2
2
2
3
4
4
5
5
5
5
5
4
4
4
4
3
3
3
3

Relative Humidity (%)

91
86
83
89
94
93
94
93
91
93
88
85
87
87
91
93
93
94
94
94
94
94
94
94

Pressure (mb)

998
998
999
1000
1000
1001
1002
1003
1004
1005
1005
1005
1006
1006
1007
1007
1008
1009
1010
1011
1011
1012
1012
1012

Ozone (du)

356
358
359
361
367
371
375
378
379
377
376
374
371
367
368
370
375
378
377
381
381
384
393
396

Saturday 17

Waning Crescent 2%

07:54

14:21

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 08:02, Set: 16:17, Transit: 12:10. Moon - Rise: 07:54, Set: 14:21. Civil Dark: 16:57 - 07:23. Nautical Dark: 17:40 - 06:39. Astro Dark: 18:21 - 05:58

Total Clouds (% Sky Obscured)

82
82
80
75
79
84
88
91
96
100
100
100
100
97
95
92
94
97
100
100
100
100
99
99

Low Clouds (% Sky Obscured)

57
54
47
44
49
52
72
81
91
100
100
100
100
95
89
84
89
95
100
100
100
100
98
96

Medium Clouds (% Sky Obscured)

65
55
55
55
70
71
80
79
78
77
73
64
60
60
50
45
45
45
45
46
5
2
6
8

High Clouds (% Sky Obscured)

15
10
5
10
16
21
26
26
25
40
40
50
46
46
41
45
40
40
40
35
17
2
5
5

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
5
5
1
2
1
0
1
1
5
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
Light Rain
Light Rain
Light Rain
Light Rain
Light Rain
Very Light Rain
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
0
0
0
3
5
2
8
36
50
72
78
78
79
76
67
47
32
14
8
4
1
2
1

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0.4
0.5
0.5
0.5
0.4
0.3
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

7
6
6
6
6
6
6
5
7
8
9
10
10
10
11
11
9
9
8
7
7
7
7
6

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
4
5
5
6
6
6
6
6
6
6
6
6
6
6
6
6
6
6

Feels Like (°C)

0
1
1
1
1
1
1
2
2
2
2
1
1
1
1
1
1
2
2
2
3
3
3
4

Dew Point (°C)

3
3
3
3
3
3
4
4
5
5
5
6
6
6
6
6
6
5
6
5
5
6
5
5

Relative Humidity (%)

93
94
94
94
94
93
94
96
94
94
96
96
98
98
98
98
98
96
96
94
96
98
94
96

Pressure (mb)

1013
1013
1014
1014
1015
1015
1016
1016
1017
1017
1017
1017
1017
1017
1017
1017
1017
1018
1018
1018
1018
1018
1018
1018

Ozone (du)

394
399
410
407
399
394
395
398
400
400
401
401
403
404
404
405
406
407
409
409
407
406
405
404

Sunday 18

New Moon 0%

08:25

15:36

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 08:01, Set: 16:19, Transit: 12:10. Moon - Rise: 08:25, Set: 15:36. Civil Dark: 16:59 - 07:22. Nautical Dark: 17:42 - 06:39. Astro Dark: 18:23 - 05:58

Total Clouds (% Sky Obscured)

98
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100

Low Clouds (% Sky Obscured)

95
97
98
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
96
97
97

Medium Clouds (% Sky Obscured)

12
11
11
12
15
23
73
64
53
46
63
79
96
94
91
89
90
91
92
89
86
83
79
75

High Clouds (% Sky Obscured)

8
26
39
58
92
80
68
78
84
92
73
53
33
38
45
51
38
30
22
19
19
24
43
62

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

0
1
0
0
0
0
0
0
0
0
3
5
5
7
6
5
11
14
13
18
17
10
12
11

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
5
6
6
5
6
6
7
7
6
6
6
6
7
7
7
8
7
7
6
6
6
6
6

Chance of Frost

Temperature (°C)

6
6
6
6
6
6
5
5
5
5
5
5
5
5
5
5
5
5
5
5
4
4
4
4

Feels Like (°C)

4
3
3
3
4
4
3
2
2
2
2
3
2
2
3
3
3
2
2
2
2
2
2
0

Dew Point (°C)

6
6
6
5
5
4
4
4
4
3
3
4
4
4
4
4
4
4
4
4
3
3
3
3

Relative Humidity (%)

98
98
98
96
94
90
91
91
93
89
88
90
91
93
93
93
96
94
94
94
93
94
94
94

Pressure (mb)

1018
1018
1019
1019
1019
1019
1019
1020
1020
1020
1020
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1019
1018
1018

Ozone (du)

402
401
399
397
396
396
395
393
392
391
391
391
390
390
391
392
393
393
393
394
392
390
388
389

Monday 19

Waxing Crescent 1%

08:47

16:57

02 Bad
03 Bad
04 Bad
05 Bad
06 Bad
07 Bad
08 Bad
09 Bad
10 Bad
11 Bad
12 Bad
13 Bad
14 Bad
15 Bad
16 Bad
17 Bad
18 Bad
19 Bad
20 Bad
21 Bad
22 Bad
23 Bad
00 Bad
01 Bad

Sun - Rise: 08:00, Set: 16:21, Transit: 12:10. Moon - Rise: 08:47, Set: 16:57. Civil Dark: 17:00 - 07:21. Nautical Dark: 17:43 - 06:38. Astro Dark: 18:24 - 05:57

Total Clouds (% Sky Obscured)

100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
98
95
92
94
96

Low Clouds (% Sky Obscured)

99
100
99
99
100
100
100
100
100
100
100
100
100
100
100
100
100
100
100
96
91
85
86
85

Medium Clouds (% Sky Obscured)

72
67
56
38
46
63
80
86
92
99
98
98
98
97
97
95
82
72
64
52
37
22
36
49

High Clouds (% Sky Obscured)

89
92
95
98
77
57
36
55
74
91
92
94
95
83
71
61
46
40
36
46
56
65
56
51

ISS Passover

Visibility (miles)

9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9
9

Fog (%)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Precipitation Type

None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None
None

Precipitation Probability (%)

2
4
6
1
5
6
3
5
5
1
1
1
0
4
7
10
10
9
3
5
4
1
4
4

Precipitation Amount (mm)

0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0

Wind Speed/Direction (mph)

6
7
6
6
6
6
6
5
5
5
5
5
5
5
5
5
5
5
5
6
5
6
6
6

Chance of Frost

Temperature (°C)

4
4
4
4
4
4
4
4
4
4
5
4
4
4
4
4
4
4
4
4
4
4
4
4

Feels Like (°C)

0
0
0
-0
-0
0
0
-0
0
0
-0
1
1
1
1
1
1
1
1
1
1
0
0
0

Dew Point (°C)

3
3
2
2
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
-0
-0
0
0
-0

Relative Humidity (%)

94
94
91
88
85
83
82
80
80
79
78
79
79
79
79
82
82
79
77
75
75
76
76
75

Pressure (mb)

1018
1018
1018
1018
1017
1017
1017
1017
1017
1017
1017
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016
1016

Ozone (du)

389
390
393
396
399
399
399
400
400
400
400
398
396
394
394
394
395
394
393
392
392
391
391
389

Tuesday 20

Waxing Crescent 3%

09:03

18:19

Sun - Rise: 07:59, Set: 16:23, Transit: 12:11. Moon - Rise: 09:03, Set: 18:19. Civil Dark: 17:02 - 07:20. Nautical Dark: 17:45 - 06:37. Astro Dark: 18:26 - 05:56

Total Clouds (% Sky Obscured)

Low Clouds (% Sky Obscured)

Medium Clouds (% Sky Obscured)

High Clouds (% Sky Obscured)

ISS Passover

Visibility (miles)

Fog (%)

Precipitation Type

Precipitation Probability (%)

Precipitation Amount (mm)

Wind Speed/Direction (mph)

Chance of Frost

Temperature (°C)

Feels Like (°C)

Dew Point (°C)

Relative Humidity (%)

Pressure (mb)

Ozone (du)

Forecast for Boston, Lincolnshire, United Kingdom (52.98,-0.02)

Generated: 14/01/26 02:05:31. Forecast: 14/01/26 to 20/01/26. Timezone: UTC+0.00